S.K. JAIN and S.B. SINGH, S.C BHARDWAJ*, S.K. NAYAR, M. PRASHAR,. 2003. “Pathotype Distribution of Puccinia Graminis Tritici In India During 1998-2001”. Indian Phytopathology 56 (1): 75-77. https://epubs.icar.org.in/index.php/IPPJ/article/view/18243.